參數(shù)資料
型號: UPD765A
廠商: NEC Corp.
英文描述: Single/Double Density Floppy-Disk Controller
中文描述: 單/雙密度軟盤控制器
文件頁數(shù): 8/17頁
文件大小: 344K
代理商: UPD765A
liming Waveforms (Cont)
Data Input Waveform for AC Test (Except CLK,
2 .4
0 .4 5
Clock
(WCLK,
Waveform for
AC
Test
Output
Clock
Operation
FDD Write
Operation
Write
Enable
0 or
Write
Data
0
Normal
0
0
0
Early
Invalid
0
Seek
Operation
s
t
e
p
Overrun Operation
Only)
FLJ R eset
I
Fault
Reset
FDD Read Operation
1
Terminal
I
Count
Reset
I
5-10
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